1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #include "gtkcheckmenuitem.h"
28 #include "gtkaccellabel.h"
29 #include "gtksignal.h"
32 #define CHECK_MENU_ITEM_CLASS(w) GTK_CHECK_MENU_ITEM_CLASS (GTK_OBJECT (w)->klass)
41 static void gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass);
42 static void gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item);
43 static void gtk_check_menu_item_draw (GtkWidget *widget,
45 static gint gtk_check_menu_item_expose (GtkWidget *widget,
46 GdkEventExpose *event);
47 static void gtk_check_menu_item_activate (GtkMenuItem *menu_item);
48 static void gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
50 static void gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
54 static GtkMenuItemClass *parent_class = NULL;
55 static guint check_menu_item_signals[LAST_SIGNAL] = { 0 };
59 gtk_check_menu_item_get_type (void)
61 static GtkType check_menu_item_type = 0;
63 if (!check_menu_item_type)
65 static const GtkTypeInfo check_menu_item_info =
68 sizeof (GtkCheckMenuItem),
69 sizeof (GtkCheckMenuItemClass),
70 (GtkClassInitFunc) gtk_check_menu_item_class_init,
71 (GtkObjectInitFunc) gtk_check_menu_item_init,
72 /* reserved_1 */ NULL,
73 /* reserved_2 */ NULL,
74 (GtkClassInitFunc) NULL,
77 check_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (), &check_menu_item_info);
80 return check_menu_item_type;
84 gtk_check_menu_item_new (void)
86 return GTK_WIDGET (gtk_type_new (gtk_check_menu_item_get_type ()));
90 gtk_check_menu_item_new_with_label (const gchar *label)
92 GtkWidget *check_menu_item;
93 GtkWidget *accel_label;
95 check_menu_item = gtk_check_menu_item_new ();
96 accel_label = gtk_accel_label_new (label);
97 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
99 gtk_container_add (GTK_CONTAINER (check_menu_item), accel_label);
100 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), check_menu_item);
101 gtk_widget_show (accel_label);
103 return check_menu_item;
107 gtk_check_menu_item_set_active (GtkCheckMenuItem *check_menu_item,
110 g_return_if_fail (check_menu_item != NULL);
111 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
113 is_active = is_active != 0;
115 if (check_menu_item->active != is_active)
116 gtk_menu_item_activate (GTK_MENU_ITEM (check_menu_item));
120 gtk_check_menu_item_set_show_toggle (GtkCheckMenuItem *menu_item,
123 g_return_if_fail (menu_item != NULL);
124 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
126 menu_item->always_show_toggle = always != FALSE;
130 gtk_check_menu_item_toggled (GtkCheckMenuItem *check_menu_item)
132 gtk_signal_emit (GTK_OBJECT (check_menu_item), check_menu_item_signals[TOGGLED]);
136 gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass)
138 GtkObjectClass *object_class;
139 GtkWidgetClass *widget_class;
140 GtkMenuItemClass *menu_item_class;
142 object_class = (GtkObjectClass*) klass;
143 widget_class = (GtkWidgetClass*) klass;
144 menu_item_class = (GtkMenuItemClass*) klass;
146 parent_class = gtk_type_class (gtk_menu_item_get_type ());
148 check_menu_item_signals[TOGGLED] =
149 gtk_signal_new ("toggled",
152 GTK_SIGNAL_OFFSET (GtkCheckMenuItemClass, toggled),
153 gtk_marshal_NONE__NONE,
156 gtk_object_class_add_signals (object_class, check_menu_item_signals, LAST_SIGNAL);
158 widget_class->draw = gtk_check_menu_item_draw;
159 widget_class->expose_event = gtk_check_menu_item_expose;
161 menu_item_class->activate = gtk_check_menu_item_activate;
162 menu_item_class->toggle_size = 12;
164 menu_item_class->hide_on_activate = FALSE;
166 klass->toggled = NULL;
167 klass->draw_indicator = gtk_real_check_menu_item_draw_indicator;
171 gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item)
173 check_menu_item->active = FALSE;
174 check_menu_item->always_show_toggle = FALSE;
178 gtk_check_menu_item_draw (GtkWidget *widget,
181 g_return_if_fail (widget != NULL);
182 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (widget));
183 g_return_if_fail (area != NULL);
185 if (GTK_WIDGET_CLASS (parent_class)->draw)
186 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
188 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), area);
192 gtk_check_menu_item_expose (GtkWidget *widget,
193 GdkEventExpose *event)
195 g_return_val_if_fail (widget != NULL, FALSE);
196 g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), FALSE);
197 g_return_val_if_fail (event != NULL, FALSE);
199 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
200 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
202 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), &event->area);
208 gtk_check_menu_item_activate (GtkMenuItem *menu_item)
210 GtkCheckMenuItem *check_menu_item;
212 g_return_if_fail (menu_item != NULL);
213 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
215 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
216 check_menu_item->active = !check_menu_item->active;
218 gtk_check_menu_item_toggled (check_menu_item);
219 gtk_widget_queue_draw (GTK_WIDGET (check_menu_item));
223 gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
226 g_return_if_fail (check_menu_item != NULL);
227 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
228 g_return_if_fail (CHECK_MENU_ITEM_CLASS (check_menu_item) != NULL);
230 if (CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator)
231 (* CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator) (check_menu_item, area);
235 gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
239 GtkStateType state_type;
240 GtkShadowType shadow_type;
244 g_return_if_fail (check_menu_item != NULL);
245 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
247 if (GTK_WIDGET_DRAWABLE (check_menu_item))
249 widget = GTK_WIDGET (check_menu_item);
253 x = (GTK_CONTAINER (check_menu_item)->border_width +
254 widget->style->klass->xthickness + 2);
255 y = (widget->allocation.height - height) / 2;
257 if (check_menu_item->active ||
258 check_menu_item->always_show_toggle ||
259 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
261 state_type = GTK_WIDGET_STATE (widget);
263 if (check_menu_item->always_show_toggle)
265 shadow_type = GTK_SHADOW_OUT;
266 if (check_menu_item->active)
267 shadow_type = GTK_SHADOW_IN;
271 shadow_type = GTK_SHADOW_IN;
272 if (check_menu_item->active &&
273 (state_type == GTK_STATE_PRELIGHT))
274 shadow_type = GTK_SHADOW_OUT;
277 gtk_paint_check (widget->style, widget->window,
278 state_type, shadow_type,
279 area, widget, "check",
280 x, y, width, height);